Storage-battery connector



L. J. SHIELDS.

STORAGE BATTERY CONNECTOR.

APPLICATIONIILED AUG-8,1918

1,382, 1 29. Patentedi June 21, 1921.

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Application filed august i3, 119%.

T 0 all w Ito m it may concern:

Be it known that T, Lr'rron J. Stimulus, a citizen of the United States, residing at St. Paul, in the county of Ramsey and State of Minnesota, have invented a new and useful improvement in Storage-Battery Connectors, of which the following is a specification.

This invention. relates to storage battery terminal connectors and is particularly adapted to a connector for adjacent cells Where a series of cells are adapted to be connected together for use in automobiles lighting plants, etc.

. The primary object of this invention is to provide a device or connector of a convenient shape with sufficient strength to form a rigid connection between the cells still having a shape which requires the smallest possible amount of material to make the same. In the manufacture of storage bat" teries it has been found unnecessary to use cell connectors of a large bulky design which only add to the weight of the battery and do not increase the efliciency of the same. My impnoved connector provides a device which is simple in construction having suflicient strength to rigidly connect the terminals of the cells and requiring only a small amount of material.

The peculiar features of constructionand objects of this invention will be clearly defined in the following specification; and claim,

lln the drawing forming part of this specification:

Figure 1 is a perspective View of my connector.

Fig.2 is a side elevation of the connector part of which is broken away to illustrate a ortion in cross section.

ig. 3 is a cross section on the line 3-3 of Fig. 2.. a

In the drawing A represents a battery cell connector which is formed with hexagonal frustumal pyramidical shaped heads 2 having a frustumal conical shaped opening 3 through the same. The heads 2 of the con-- nector A are joined together by the shank portion lwhich is formed integral with the heads 2 and its lower face 5 is wider than its upper face 6 so that the cross section of the same would be the shape of a trapezoid with its upper and lower faces parallel and the sides equal but not parallel. The lower face 5 of the shank 4 is adapted to extend specification of Letters Patent.

Patented June 21, T9210 Serial No.

flush with the bottom face 7 of the head portions 2 and is formed with a concave longitudinally extending recess S. The recess 8 reduces the cross section of the shank 4 without weakening the same and in fact owing to its concave shape strengthens the slianh. The upper face 6 of the shank 4: is positioned below the upper face 9 of the heads 2 which allows the heads 2 to be easily attached to the cell terminals of a battery without having the shank at in the way where it is apt to get bent or injured when the heads 2 are being attached to the cell terminals.

When the connector A is fitted to the terminals of the cells of a battery the openings 3 are adapted to be fitted to the cylindrical or conical shaped terminals of, the battery plates and during the fitting it is customary to tap the heads 2011 the surface 9 with a hammer or other suitable instrument until the connector A is tightly secured to the cell terminals, after which the heads 2 are rigidly attached to the terminals by. fusing the same together. For this reason it is desir-' able to have the upper surface 6 ofthe shank below the upper surface of the heads 2.

The frustumal pyramidical shaped heads 2 give a connector with a strong construction and the head portion is considerably lighter than where the same is shaped round with an outer cylindrical shaped-surface. The same is true of the connecting shank a which has the longitudinal recess 8 along its lower surface. It is desirable to have the recess 8 formed along the lower surface of the shank e concealing it from view when the connector is in position on the battery and giving a shank with a smooth upper surface 6 which will not collect dirt or acid from the battery to injure the shank or detract from the neat appearance of the same.

This construct-ion of battery connector provides a connecting means which is comparatively light in weight, strong and (11.1- rable and with a suflicient electrical conducting body to provide an efficient battery connector and requiring only a small amount of material. The peculiar construction of the heads and the shank with the conceived recess 8 reduces the weight of the connector and strengthens. the same iln accordance with the patent statutes, 1 have described the principles of operation of my invention, together with the apparatus which ll now consider to represent the Q memes best embodiment thereof,v but I desire to tions, the iower'surfece of said. shank exhnve it understood that the construction tending flush with the lower surface of said shown is only illustrative and that the inhead portions and the upper surface of said vention'can be carried out by other means. shank being positioned below said head por- 5 and eppiiedto usesother than those above tions, efrustumal conical -shmped opening set forth within the scope ofthe following extending thorough said head portions and a claim: v l'ongitudinaliyext'ending recess formed in In a, battery terminal connector having theiower surface of said shank. 'frustumei pyremidicei shaped head pori f 10 tions a shank connecting said head por I LYTTUN J. SHIELDS. V 

